package com.ncp.model.biz.product;



import java.io.File;
import java.io.OutputStream;
import java.io.FileOutputStream;
public class setKeepInfo {
	public static void main(String[] args) throws Exception{
		//在d盘上创建一个名为testfile的文本文件
		
		File f = new File("D:"+File.separator+"testfile.txt");
		//用FileOutputSteam包装文件，并设置文件可追加
		OutputStream out = new FileOutputStream(f,true);
		//字符数组
		String[] str = {"shanghai","beijing","guangdong","xiamen"};
		for(int i =0; i<str.length; i++){
			out.write(str[i].getBytes());  //向文件中写入数据
			out.write('\r'); // \r\n表示换行
			out.write('\n'); 
	}
		out.close();	//关闭输出流
		//System.out.println("写入成功！");
	}

}